Remove the WebGlyphCache API.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index d92ca9a1aadae2f96c094c6df39eba4468ee7b52..c0e08f7da535e5e77eab80916f2d7e65ee24c55a 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -139,7 +139,6 @@
 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrameWidget.h"
-#include "third_party/WebKit/public/web/WebGlyphCache.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
@@ -4245,11 +4244,6 @@ void RenderFrameImpl::SendDidCommitProvisionalLoad(
     params.ui_timestamp = base::TimeTicks() + base::TimeDelta::FromSecondsD(
         frame->dataSource()->request().uiStartTime());
 
-    // Save some histogram data so we can compute the average memory used per
-    // page load of the glyphs.
-    UMA_HISTOGRAM_COUNTS_10000("Memory.GlyphPagesPerLoad",
-                               blink::WebGlyphCache::pageCount());
-
     // This message needs to be sent before any of allowScripts(),
     // allowImages(), allowPlugins() is called for the new page, so that when
     // these functions send a ViewHostMsg_ContentBlocked message, it arrives